* [PATCH] lib/percpu_counter: Add missing __percpu qualifier to a cast
@ 2024-08-14 6:44 Uros Bizjak
0 siblings, 0 replies; only message in thread
From: Uros Bizjak @ 2024-08-14 6:44 UTC (permalink / raw)
To: linux-mm, linux-kernel
Cc: Uros Bizjak, Andrew Morton, Dennis Zhou, Tejun Heo, Christoph Lameter
Add missing __percpu qualifier to a (void *) cast to fix
percpu_counter.c:212:36: warning: cast removes address space '__percpu' of expression
percpu_counter.c:212:33: warning: incorrect type in assignment (different address spaces)
percpu_counter.c:212:33: expected signed int [noderef] [usertype] __percpu *counters
percpu_counter.c:212:33: got void *
sparse warnings.
Found by GCC's named address space checks.
There were no changes in the resulting object file.
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Dennis Zhou <dennis@kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Christoph Lameter <cl@linux.com>
---
lib/percpu_counter.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c
index 51bc5246986d..2891f94a11c6 100644
--- a/lib/percpu_counter.c
+++ b/lib/percpu_counter.c
@@ -209,7 +209,7 @@ int __percpu_counter_init_many(struct percpu_counter *fbc, s64 amount,
INIT_LIST_HEAD(&fbc[i].list);
#endif
fbc[i].count = amount;
- fbc[i].counters = (void *)counters + (i * counter_size);
+ fbc[i].counters = (void __percpu *)counters + i * counter_size;
debug_percpu_counter_activate(&fbc[i]);
}
--
2.46.0
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